Home / 11,129.62-16,696.08-3,232.20

Finding the Fourth Proportional to 11,129.62, 16,696.08 and 3,232.20

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Solution

The fourth proportional to 11,129.62, 16,696.08 and 3,232.20 is: 4,848.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.62 : 16,696.08 = 3,232.20 : x
  2. Step 2: Convert to fraction form
    11,129.62/16,696.08 = 3,232.20/x
  3. Step 3: Cross multiply
    11,129.62x = 16,696.08 × 3,232.20
  4. Step 4: Simplify right side
    11,129.62x = 53,965,069.78
  5. Step 5: Solve for x
    x = 53,965,069.78/11,129.62
  6. Step 6: Final answer
    x = 4,848.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.